NORTHWEST NAT GAS CO

CUSIP: 667655104 Class: COM

SEI INVESTMENTS CO's Holding History (CIK: 0000350894)

Note: Option positions (PUT/CALL) are excluded.

Q2 2018
Shares 640 Value ($000) $41 Avg Close — Range —
Q1 2018
Shares 444 Value ($000) $25 Avg Close — Range —
Q4 2017
Shares 415 Value ($000) $25 Avg Close — Range —
Q3 2017
Shares 452 Value ($000) $29 Avg Close — Range —
Q2 2017
Shares 57 Value ($000) $3 Avg Close — Range —
Q1 2017
Shares 5 Value ($000) $0 Avg Close — Range —
Q4 2016
Shares 3,470 Value ($000) $207 Avg Close — Range —
Q3 2016
Shares 3,922 Value ($000) $236 Avg Close — Range —
Q2 2016
Shares 3,640 Value ($000) $236 Avg Close — Range —
Q1 2016
Shares 3,466 Value ($000) $187 Avg Close — Range —
Q4 2015
Shares 3,466 Value ($000) $175 Avg Close — Range —
Q4 2014
Shares 132 Value ($000) $7 Avg Close — Range —